The KRL-01 wide wet lens is a ultra wide conversion lens. At 24mm, it has a 145 degree field of view! It is designed with a 67mm thread mount to easily mount to the lens port on your housing. Compatible with M4:3 cameras, and compacts it is suitable for many popular cameras on the market today. The wide wet lens is made to work with cameras with a 24mm focal length so it is ideal for many compact cameras like RX100, TG4\5, LX10, G7X. The lens is also zoom through capable. KRL-01 has 6 elements, and 5 groups. The optical glass lens has a multi layer BBAR coating for anti reflection and optical clarity.